MediaTek MT6879/MT6895/MT6983 apusys use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6879, MT6895 and MT6983. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component apusys. The manipulation results in use after free. This vulnerability is reported as CVE-2022-26450. The attack requires a local approach. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6879, MT6895 and MT6983 (Chip Software) (version now known). It has been classified as problematic. Affected is some unknown processing of the component apusys. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In apusys, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07177801; Issue ID: ALPS07177801.

The weakness was disclosed 09/07/2022 as ALPS07177801. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2022-26450 since 03/04/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07177801 is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07177801

Timelineinfo

03/04/2022 🔍
09/07/2022 +186 days 🔍
09/07/2022 +0 days 🔍
10/14/2022 +37 days 🔍

Sourcesinfo

Advisory: ALPS07177801
Status: Confirmed

CVE: CVE-2022-26450 (🔍)
GCVE (CVE): GCVE-0-2022-26450
GCVE (VulDB): GCVE-100-208032

Entryinfo

Created: 09/07/2022 17:03
Updated: 10/14/2022 08:29
Changes: 09/07/2022 17:03 (41), 10/14/2022 08:29 (11)
Complete: 🔍
Cache ID: 216::103

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